29 Dec '14, 10am

Light Bandit Brings Daylight to any Room in the House

Light Bandit Brings Daylight to any Room in the House

To start, the Fresnel mirror on the front of the device has a special pattern etched onto it that diverts half of the incoming sunlight directly into the fiber optic cable, while focusing the other half onto the mirror array below the Fresnel. A light sensor in that array detects the angle at which the light is hitting it, and activates two battery-powered motors to change the angle of its mirrors, allowing them to track the sun as it moves across the sky. Half of the light striking the array via the Fresnel is subsequently reflected back up into the Fresnel, which focuses it into the fiber optic cable. From there, the light is moved through the fiber to whatever light fixture one is using.

Full article: http://greenbuildingelements.com/2014/12/29/light-bandit-...

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